CAS
7758-99-8
Copper sulfate; Copper sulphate; Copper(II) sulfate; Cupric sulfate; Blue vitriol; Bluestone; Cupric sulphate pentahydrate; Chalcanthite (mineral form)
Copper sulphate pentahydrate is a bright blue, crystalline salt widely used as a fungicide, algicide, micronutrient, and reagent. It dissolves readily in water to release copper(II) ions, making it effective in agriculture for correcting copper deficiencies and controlling fungal diseases. It is also used in aquaculture to manage algae and certain parasites.
Industrial sectors rely on this compound for electroplating, metal surface treatment, dyeing processes, catalyst preparation, and analytical chemistry. Its strong oxidizing tendency and predictable copper content make it useful in etching solutions, printed circuit board manufacture, and various inorganic syntheses.
Grade selection should be based on impurity thresholds and the copper sensitivity of the application, especially for feed, agriculture, and electrochemical processes.
7758-99-8
CuSO₄·5H₂O
249.68 g/mol
Fungicide, bactericide, and copper micronutrient for crops.
Controls algae and certain waterborne pathogens.
Copper source in acid copper plating baths.
Precursor to copper catalysts and inorganic copper salts.
Mordant and colour fixative in dye processes.
Etchant and reagent in PCB and printed circuit manufacturing.
Reagent for Fehling’s solution and various qualitative tests.
LR/AR/ACS
2833 25 00
Odourless
Bright blue crystalline solid; hard crystals or granular form
Highly soluble in water; insoluble in alcohol. Solubility increases significantly with temperature
Gradual dehydration from 30–110 °C; forms anhydrous CuSO₄ near 250 °C; decomposes above 600 °C with SOₓ release.
Store in a cool, dry area below 30°C. Mildly hygroscopic.
Pricing depends on grade, purity and packaging. Contact sales for a tailored quote.
Available from Phine Kemikals India and authorised distributors with CoA.
Typically aligned with 25kg or 50kg packs. Bulk on request.
Each batch tested for assay, insolubles, Fe(III) content, heavy metals. CoA included.
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